Electromagnetic shielding reinforced electric connector

Abstract

An electromagnetic shielding reinforced electric connector comprises an insulation structure, a plurality of first terminals, a plurality of second terminals, two shielding terminals and a metal shell. The insulating structure comprises a base, a first lingual plate, a second lingual plate, a first side wall and a second side wall. The first lingual plate, the second lingual plate, the first side wall and the second side wall extend from the base in the first direction, the first lingual plate and the second lingual plate are located between the first side wall and the second side wall, and a butt joint space is formed between the first side wall and the second side wall. The plurality of first terminals are arranged on the first lingual plate in two rows and are respectively arranged on the first upper surface and the first lower surface of the first lingual plate. The plurality of second terminals are arranged on the second lower surface of the second tongue plate and are arranged in a row. The two shielding terminals are respectively arranged on the first side wall and the second side wall, and the two shielding terminals and the second terminal are arranged in a row. The metal shell wraps the insulation structure and is provided with a butt joint port at one end of the base far away from the insulation structure. The shielding terminal extends into the butt joint space and is contacted with the metal shell.

Description

Technical Field

[0001] The present invention relates to the technical field of an electrical connector, and in particular to an electromagnetic shielding enhanced electrical connector. Background Art

[0002] Electrical connectors are used to connect different electronic components or modules, enabling electronic signals to be transmitted between them. The connector mates with its counterpart, transmitting signals through its terminals. As the demand for signal transmission continues to increase, electrical connectors are now capable of transmitting not only conventional low- and medium-frequency signals but also high-frequency signals. Therefore, preventing crosstalk caused by high-frequency signals has become a critical technical issue. Summary of the Invention

[0003] The object of the present invention is to provide an electromagnetic shielding-reinforced electrical connector, which strengthens the electromagnetic shielding of terminals transmitting high-frequency signals, thereby preventing crosstalk.

[0004] The present invention provides an electromagnetically shielded reinforced electrical connector, comprising an insulating structure, a plurality of first terminals, a plurality of second terminals, two shielding terminals, and a metal shell. The insulating structure comprises a base, a first tongue plate, a second tongue plate, a first side wall, and a second side wall. The first tongue plate, the second tongue plate, the first side wall, and the second side wall extend from the base along a first direction, and the first tongue plate and the second tongue plate are located between the first side wall and the second side wall, forming a docking space between the first side wall and the second side wall. A plurality of first terminals are disposed on the first tongue plate and arranged in two rows, with the plurality of first terminals in the two rows being respectively disposed on the first upper surface and the first lower surface of the first tongue plate. A plurality of second terminals are disposed on the second tongue plate and arranged in a row, with the plurality of second terminals in the row being disposed on the second lower surface of the second tongue plate. Two shielding terminals are disposed on the first side wall and the second side wall, respectively, and the two shielding terminals and the second terminals are arranged in a row. The metal shell covers the insulating structure and has a pair of interfaces at one end of the base away from the insulating structure. The two shielding terminals extend into the docking space and contact the metal shell.

[0005] In another embodiment, each shielding terminal includes a first contact portion, a second contact portion and a fixed portion, the fixed portion is fixed to the insulating structure, the first contact portion and the second contact portion are connected to opposite sides of the fixed portion, the first contact portion extends into the docking space and can contact the metal shell of a pair of hand electrical connectors, and the second contact portion contacts the metal shell.

[0006] In another embodiment, the first contact portion and the second contact portion both have a spring-shaped structure extending along the first direction, and one end of the spring-shaped structure is connected to the fixing portion.

[0007] In another embodiment, each shielding terminal further includes a soldering portion connected to the fixing portion.

[0008] In another embodiment, the plurality of first terminals include a power terminal, a first ground terminal, and a pair of conventional signal terminals. The power terminal and the first ground terminal are respectively located on the first upper surface and the first lower surface of the first tongue plate, and the pair of conventional signal terminals are respectively located on the first upper surface and the first lower surface of the first tongue plate. The plurality of second terminals include two pairs of high-frequency signal terminals and a second ground terminal. The second ground terminal is located between the two pairs of high-frequency signal terminals. The two shielding terminals are respectively located outside the two pairs of high-frequency signal terminals.

[0009] In another embodiment, the insulating structure includes a first insulating member and a second insulating member, the first terminal is coupled to the first insulating member, the second terminal and two shielding terminals are coupled to the second insulating member, and the first insulating member is coupled to the second insulating member to form the insulating structure.

[0010] In another embodiment, the first insulating member includes a first connecting body, a first tongue plate, a first side wall body and a second side wall body. The first tongue plate, the first side wall body and the second side wall body are connected to the first connecting body, and the first tongue plate is located between the first side wall body and the second side wall body. The first side wall body has a first engaging groove, and the two opposite groove walls of the first engaging groove each have a first relief groove. The second side wall body has a second engaging groove, and the two opposite groove walls of the second engaging groove each have a second relief groove.

[0011] In another embodiment, the second insulating member includes a second connecting body, a second tongue plate, a first extension column and a second extension column. The second tongue plate, the first extension column and the second extension column are connected to the second connecting body. The second tongue plate is located between the first extension column and the second extension column. The front end of the first extension column has a first locking column, and the front end of the second extension column has a second locking column. The second connecting body is combined with the first connecting body, and the first locking column is engaged with the first locking groove so that the first extension column is combined with the first side wall body. The second locking column is engaged with the second locking groove so that the second extension column is combined with the second side wall body.

[0012] In another embodiment, each shielding terminal includes a first contact portion, a second contact portion, and a fixing portion. The fixing portion is coupled to the first engaging post or the second engaging post. The first contact portion and the second contact portion are connected to opposite sides of the fixing portion. When the first engaging post is engaged with the first engaging groove, the first contact portion and the second contact portion respectively protrude from the first relief groove. When the second engaging post is engaged with the second engaging groove, the first contact portion and the second contact portion respectively protrude from the second relief groove.

[0013] In another embodiment, the metal shell includes two limiting springs, which extend from the docking interface into the docking space. The limiting springs correspond to the first side wall and the second side wall. The first side wall and the second side wall of the insulating structure have grooves on the surface close to the docking space, and the limiting springs correspond to the grooves.

[0014] The electromagnetically shielded, reinforced electrical connector provided by the present invention employs a shield terminal disposed on the outside of each high-frequency signal terminal pair. This arrangement, along with a second grounding terminal and a shield terminal disposed on opposite sides of the high-frequency signal terminal pair, creates an electromagnetic shielding structure that prevents crosstalk. The shield terminal also contacts the metal housing and the metal casing of the opposing electrical connector, reducing insertion loss and return loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a perspective view of an embodiment of an electromagnetic shielding-enhanced electrical connector of the present invention.

[0016] Figure 2 It is a three-dimensional exploded view of the first terminal and the first insulating member of the electromagnetic shielding reinforced electrical connector of the present invention, and the first terminal and the first insulating member.

[0017] Figure 3 It is a three-dimensional exploded view of the first insulating member and the second insulating member of the electromagnetic shielding reinforced electrical connector of the present invention.

[0018] Figure 4 yes Figure 3 A three-dimensional exploded view from another perspective.

[0019] Figure 5 yes Figure 4 A three-dimensional exploded diagram from another perspective.

[0020] Figure 6 yes Figure 4 A three-dimensional diagram of an insulating structure formed by combining the first insulating member and the second insulating member.

[0021] Figure 7 It is a three-dimensional exploded view of the insulation structure and metal shell of the electromagnetic shielding reinforced electrical connector of the present invention.

[0022] Figure 8 yes Figure 1 Sectional view along line AA.

[0023] Explanation of reference numerals: 1-electromagnetic shielding reinforced electrical connector; 10-insulating structure; 10a-first insulating member; 10a1-first connecting body; 10a2-first side wall; 10a3-second side wall; 10a4-first boss; 10a5-first engaging groove; 10a6-first relief groove; 10a7-second boss; 10a8-second engaging groove; 10a9-second relief groove; 10b-second insulating member; 10b1-second connecting body; 10b2-first extension column; 10b3-second extension column; 10b4-first engaging column; 10b5-second engaging column; 11-base; 12-first tongue plate; 13-second tongue plate; 14-first Side wall; 15-second side wall; 16-bottom wall; 17-groove; 20-first terminal; 20a-power terminal; 20b-first grounding terminal; 20c, 20d-conventional signal terminals; 30-second terminal; 30a, 30b-high-frequency signal terminals; 30c-second grounding terminal; 40-shielding terminal; 41-first contact portion; 42-second contact portion; 43-fixed portion; 44-welding portion; 50-metal shell; 51-docking port; 52-limiting spring clip; 121-first upper surface; 122-first lower surface; 131-second upper surface; 132-second lower surface; L1-first direction; L2-second direction; L3-third direction. DETAILED DESCRIPTION

[0024] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 7 , which shows an embodiment of the electromagnetic shielding enhanced electrical connector of the present invention. The electromagnetic shielding enhanced electrical connector 1 of this embodiment includes an insulating structure 10, a plurality of first terminals 20, a plurality of second terminals 30, two shielding terminals 40 and a metal housing 50.

[0025] like Figure 2 and Figure 3 As shown, the insulating structure 10 is composed of a first insulating member 10a and a second insulating member 10b. A plurality of first terminals 20 are combined with the first insulating member 10a, and a plurality of second terminals 30 and two shielding terminals 40 are combined with the second insulating member 10b. The first insulating member 10a and the second insulating member 10b are combined to form the insulating structure 10. At the same time, the plurality of first terminals 20, the plurality of second terminals 30 and the two shielding terminals 40 are positioned by the combination of the first insulating member 10a and the second insulating member 10b.

[0026] like Figure 6As shown, the insulation structure 10 includes a base 11, a first tongue plate 12, a second tongue plate 13, a first side wall 14, a second side wall 15, and a bottom wall 16. The first tongue plate 12, the second tongue plate 13, the first side wall 14, and the second side wall 15 extend from the base 11 along a first direction L1. The first tongue plate 12 and the second tongue plate 13 are arranged vertically along a second direction L2. The first side wall 14 and the second side wall 15 are arranged horizontally along a third direction L3. The bottom wall 16 forms the bottom of the insulation structure 10 and connects the first side wall 14 and the second side wall 15. The first tongue plate 12 and the second tongue plate 13 are located between the first side wall 14 and the second side wall 15. A docking space S is formed between the first side wall 14, the second side wall 15, and the bottom wall 16. The first direction L1, the second direction L2, and the third direction L3 are orthogonal to each other.

[0027] like Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the first insulating member 10a includes a first connecting body 10a1, a first tongue plate 12, a first side wall body 10a2, a second side wall body 10a3 and a bottom wall 16. The first tongue plate 12, the first side wall body 10a2, the second side wall body 10a3 and the bottom wall 16 are connected to the first connecting body 10a1, and the bottom wall 16 connects the first side wall body 10a2 and the second side wall body 10a3. The first tongue plate 12 is located between the first side wall body 10a2 and the second side wall body 10a3. The first side wall body 10a2 has a first boss 10a4 at a position higher than the tongue plate 12. The first boss 10a4 forms a first engaging groove 10a5 on a surface close to the first connecting body 10a1. The two opposite groove walls of the first engaging groove 10a5 respectively have a first accommodating groove 10a6. The second side wall body 10a2 has a second boss 10a7 at a position higher than the tongue plate 12. The second boss 10a7 has a second engaging groove 10a8. The two opposite groove walls of the second engaging groove 10a8 respectively have a second accommodating groove 10a9.

[0028] A plurality of first terminals 20 are bonded to the first insulating member 10a using an insert molding process. The mating portions of the plurality of first terminals 20 are disposed on the first tongue plate 12 and arranged in two rows. The mating portions of the first terminals 20 in the two rows are disposed on the first upper surface 121 and the first lower surface 122 of the first tongue plate 12, respectively. The plurality of first terminals 20 include a power terminal 20a, a first ground terminal 20b, and a pair of conventional signal terminals 20c and 20d. The power terminal 20a and the conventional signal terminal 20d are located on the first upper surface 121 of the first tongue plate 12, while the first ground terminal 20b and the conventional signal terminal 20c are located on the first lower surface 122 of the first tongue plate 12.

[0029] The second insulating member 10b includes a second connecting body 10b1, a second tongue plate 13, a first extension column 10b2 and a second extension column 10b3. The second tongue plate 13, the first extension column 10b2 and the second extension column 10b3 are connected to the second connecting body 10b1. The second tongue plate 13 is located between the first extension column 10b2 and the second extension column 10b3. The front end of the first extension column 10b2 has a first locking column 10b4, and the front end of the second extension column 10b3 has a second locking column 10b5.

[0030] like Figure 6 and Figure 7 As shown, the second connecting body 10b1 is combined with the first connecting body 10a1, and the first extension column 10b2 is arranged at the top of the first side wall body 10a2, the second extension column 10b3 is arranged at the top of the second side wall body 10a3, the first engaging column 10b4 is engaged with the first engaging groove 10a5 so that the first extension column 10b2 is combined with the first side wall body 10a2, and the second engaging column 10b5 is engaged with the second engaging groove 10a8 so that the second extension column 10b2 is combined with the second side wall body 10a2.

[0031] The plurality of second terminals 30 are bonded to the second insulating member 10b using an insert molding process. The mating portions of the plurality of second terminals 30 are disposed on the second tongue plate 13 and arranged in a row. The second terminals 30 are disposed on the second lower surface 132 of the second tongue plate 13, while no terminals are disposed on the second upper surface 131 of the second tongue plate 13. The plurality of second terminals 30 include two pairs of high-frequency signal terminals 30a and 30b and a second ground terminal 30c located between the two pairs of high-frequency signal terminals 30a and 30b. The configuration of the first and second terminals 20 and 30 of this embodiment complies with the USB Type B specification.

[0032] Please also refer to Figure 8Two shielding terminals 40 are disposed on the first side wall 14 and the second side wall 15, respectively. The two shielding terminals 40 are arranged in a row with the second terminals 30 and are located outside the two pairs of high-frequency signal terminals 30a and 30b, respectively. The two shielding terminals 40 and the plurality of second terminals 30 are bonded to the second insulating member 10b using an in-mold injection molding process. Each shielding terminal 40 includes a first contact portion 41, a second contact portion 42, a fixing portion 43, and a welding portion 44. The fixing portion 43 is fixed to the first engaging post 10b4 and the second engaging post 10b5 of the second insulating member 10b of the insulating structure 10. The welding portion 44 is connected to the fixing portion 43. The first contact portion 41 and the second contact portion 42 are connected to opposite sides of the fixing portion 43. The first contact portion 41 extends into the docking space S and can contact the metal shell of a pair of hand electrical connectors. The second contact portion 42 contacts the metal shell 50. Both the first contact portion 41 and the second contact portion 42 have a spring-shaped structure extending along the first direction L1 , and one end of the spring-shaped structure is connected to the fixing portion 43 .

[0033] like Figure 6 and Figure 7 As shown, when the first engaging column 10b4 is engaged with the first engaging groove 10a5, the first contact portion 41 and the second contact portion 42 respectively protrude from the first recess 10a6; when the second engaging column 10b5 is engaged with the second engaging groove 10a8, the first contact portion 41 and the second contact portion 42 respectively protrude from the second recess 10a8.

[0034] like Figure 7 As shown, a metal housing 50 encases the insulating structure 10, maintaining the first insulating member 10a and the second insulating member 10b in position and engagement. Furthermore, the metal housing 50 has a pair of ports 51 at one end away from the base 11 of the insulating structure 10. The metal housing 50 includes two retaining springs 52, which extend from the ports 51 into the docking space S. The retaining springs 52 correspond to the first and second side walls 14, 15 of the insulating structure 10. The first and second side walls 14, 15 of the insulating structure 10 have grooves 17 on their surfaces near the docking space S, and the retaining springs 52 correspond to the grooves 17. When a mating electrical connector is inserted into the docking space S, the retaining springs 52 clamp the mating connector.

[0035] The electromagnetically shielded, reinforced electrical connector provided by the present invention employs a shield terminal disposed on the outside of each high-frequency signal terminal pair. This arrangement, along with a second grounding terminal and a shield terminal disposed on opposite sides of the high-frequency signal terminal pair, creates an electromagnetic shielding structure that prevents crosstalk. The shield terminal also contacts the metal housing and the metal casing of the opposing electrical connector, reducing insertion loss and return loss.

[0036] The above description is only a preferred embodiment of the present invention, and it cannot be used to limit the scope of implementation of the present invention. That is, simple equivalent changes and modifications made according to the claims and description of the present invention are still within the scope of the present invention. In addition, any embodiment or claim of the present invention does not necessarily achieve all the purposes, advantages or features provided by the present invention. In addition, the abstract and title are only used to assist in searching patent documents and are not used to limit the scope of protection of the present invention. In addition, the terms "first", "second", etc. mentioned in the description or claims of the present invention are only used to name the elements or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

Claims

1. An electromagnetic shielding reinforced electrical connector, characterized in that: include: An insulating structure comprising a base, a first tongue plate, a second tongue plate, a first side wall, and a second side wall, wherein the first tongue plate, the second tongue plate, the first side wall, and the second side wall extend from the base along a first direction, and the first tongue plate and the second tongue plate are located between the first side wall and the second side wall, forming a docking space between the first side wall and the second side wall; A plurality of first terminals are disposed on the first tongue plate and arranged in two rows, wherein the plurality of first terminals in the two rows are respectively disposed on a first upper surface and a first lower surface of the first tongue plate; A plurality of second terminals are disposed on the second tongue plate and arranged in a row, wherein the plurality of second terminals in a row are disposed on a second lower surface of the second tongue plate; Two shielding terminals are respectively disposed on the first side wall and the second side wall, the two shielding terminals and the plurality of second terminals are arranged in a row and are located on both sides of the row of the plurality of second terminals; as well as a metal shell covering the insulating structure and having a pair of interfaces at one end of the base away from the insulating structure; Two of the shielding terminals extend into the docking space and contact the metal shell.

2. The electromagnetic shielding reinforced electrical connector according to claim 1, wherein: Each shielding terminal includes a first contact portion, a second contact portion and a fixed portion, the fixed portion is fixed to the insulating structure, the first contact portion and the second contact portion are connected to opposite sides of the fixed portion, the first contact portion extends into the docking space and is capable of contacting the metal shell of a pair of hand electrical connectors, and the second contact portion contacts the metal shell.

3. The electromagnetic shielding reinforced electrical connector according to claim 2, wherein: The first contact portion and the second contact portion both have a spring-shaped structure extending along the first direction, and one end of the spring-shaped structure is connected to the fixing portion.

4. The electromagnetic shielding reinforced electrical connector according to claim 2, wherein: Each shielding terminal further includes a welding portion connected to the fixing portion.

5. The electromagnetic shielding reinforced electrical connector according to claim 1, wherein: The plurality of first terminals include a power terminal, a first ground terminal, and a pair of conventional signal terminals. The power terminal and the first ground terminal are respectively located on the first upper surface and the first lower surface of the first tongue plate, and the pair of conventional signal terminals are respectively located on the first upper surface and the first lower surface of the first tongue plate. The plurality of second terminals include two pairs of high-frequency signal terminals and a second ground terminal. The second ground terminal is located between the two pairs of high-frequency signal terminals, and the two shielding terminals are respectively located on the outsides of the two pairs of high-frequency signal terminals.

6. The electromagnetic shielding enhanced electrical connector according to claim 1, wherein: The insulating structure includes a first insulating member and a second insulating member. The plurality of first terminals are combined with the first insulating member. The plurality of second terminals and two shielding terminals are combined with the second insulating member. The first insulating member is combined with the second insulating member to form the insulating structure.

7. The electromagnetic shielding reinforced electrical connector according to claim 6, wherein: The first insulating member includes a first connecting body, the first tongue plate, a first side wall body and a second side wall body. The first tongue plate, the first side wall body and the second side wall body are connected to the first connecting body, and the first tongue plate is located between the first side wall body and the second side wall body. The first side wall body has a first engaging groove, and the two opposite groove walls of the first engaging groove respectively have a first relief groove. The second side wall body has a second engaging groove, and the two opposite groove walls of the second engaging groove respectively have a second relief groove.

8. The electromagnetic shielding enhanced electrical connector according to claim 7, wherein: The second insulating member includes a second connecting body, the second tongue plate, a first extension column and a second extension column. The second tongue plate, the first extension column and the second extension column are connected to the second connecting body. The second tongue plate is located between the first extension column and the second extension column. The front end of the first extension column has a first locking column, and the front end of the second extension column has a second locking column. The second connecting body is combined with the first connecting body, and the first locking column is engaged with the first locking groove so that the first extension column is combined with the first side wall body. The second locking column is engaged with the second locking groove so that the second extension column is combined with the second side wall body.

9. The electromagnetic shielding enhanced electrical connector according to claim 8, wherein: Each shielding terminal includes a first contact portion, a second contact portion, and a fixing portion. The fixing portion is coupled to the first engaging post or the second engaging post. The first contact portion and the second contact portion are connected to opposite sides of the fixing portion. When the first engaging post is engaged with the first engaging slot, the first contact portion and the second contact portion respectively protrude from the first relief groove. When the second engaging post is engaged with the second engaging slot, the first contact portion and the second contact portion respectively protrude from the second relief groove.

10. The electromagnetic shielding enhanced electrical connector according to claim 1, wherein: The metal shell includes two limiting springs, which extend from the docking interface into the docking space. The two limiting springs correspond to the first side wall and the second side wall. The first side wall and the second side wall of the insulating structure have grooves on the surface close to the docking space, and the two limiting springs correspond to the two grooves.

Images